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Composition for coating and coating as well as preparation method thereof

A composition and coating technology, applied in the direction of polyurea/polyurethane coatings, coatings, etc., can solve the problems of poor durability, complex ratio and high cost, and achieve the effects of increasing durability, increasing gloss and preventing floating color

Inactive Publication Date: 2015-08-19
JIANGSU HAIAN PETROCHEM PLANT
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Existing coatings with complex proportions and high cost, and simple proportions with poor durability

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] Weigh the raw material (kg) according to the following weight:

[0022] 52 kg of heavy calcium carbonate; 13 kg of polyurethane emulsion; 35 kg of water; 3.5 kg of sodium silicate water glass; 1.5 kg of silicone modified polyacrylate.

[0023] Preparation method of coating:

[0024] Add 52 kg of heavy calcium carbonate, 13 kg of polyurethane emulsion, 35 kg of water, 3.5 kg of sodium silicate water glass and 1.5 kg of silicone-modified polyacrylate into the container, stir at 1200r / min for 1.5h, and mix well to obtain Paint sealed packaging.

Embodiment 2

[0026] Weigh the raw material (kg) according to the following weight:

[0027] 50 kg of heavy calcium carbonate; 15 kg of polyurethane emulsion; 30 kg of water; 5 kg of potassium silicate water glass; 1 kg of silicone modified polyacrylate.

[0028] Preparation method of coating:

[0029] Add 50 kg of heavy calcium carbonate, 15 kg of polyurethane emulsion, 30 kg of water, 5 kg of potassium silicate water glass and 1 kg of silicone-modified polyacrylate into the container, stir at 1000r / min for 1 hour, and mix well to obtain a coating sealed package.

Embodiment 3

[0031] Weigh the raw material (kg) according to the following weight:

[0032] 55 kg of heavy calcium carbonate; 10 kg of polyurethane emulsion; 40 kg of water; 2 kg of lithium silicate water glass; 2 kg of silicone modified polyacrylate.

[0033] Preparation method of coating:

[0034] Add 55 kg of heavy calcium carbonate, 10 kg of polyurethane emulsion, 40 kg of water, 2 kg of lithium silicate water glass and 2 kg of silicone-modified polyacrylate into the container, stir at 1500r / min for 2 hours, and mix well to obtain a coating sealed package.

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PUM

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Abstract

The invention discloses a composition for a coating, the coating and a preparation method thereof. The composition for the coating comprises the following raw materials in parts by weight: 50 to 55 parts of calcium carbonate, 10 to 15 parts of polyurethane emulsion, 30 to 40 parts of water, 2 to 5 parts of dispersing agents, and 1 to 2 parts of flatting agents. The invention also provides a method for preparing the coating by using the composition. The method for preparing the coating by using the composition is characterized by comprising the following steps of adding the calcium carbonate, the polyurethane emulsion, the water, the dispersing agents and the flatting agents into a container, and agitating and mixing uniformly an obtained mixture. The invention also provides the coating, which is prepared according to the method. Main raw material of the composition for the coating is the calcium carbonate, and is low in cost; the durability of the coating is increased by using the polyurethane emulsion; moreover, a water-glass color dispersing agent is used, so that the luster of a paint film can be increased, and the coloring and the covering power of the coating can be improved, the flooding and the sedimentation can be prevented, and the production efficiency and the storage stability of the coating can be improved. The coating prepared by the invention is not only low in cost, but also has the advantages of high durability and storage stability.

Description

technical field [0001] The invention relates to the field of architectural coatings, in particular to a coating composition, coating and a preparation method thereof. Background technique [0002] Coating refers to the coating on the surface of an object that can form a thin film under certain conditions to protect or decorate. Some of the coatings are liquid materials and some are solid materials. [0003] Paint is usually painted on the building wall to play a decorative and beautiful effect. Existing coatings with complex proportions have high cost, while those with simple proportions have poor durability. Contents of the invention [0004] A brief overview of the invention is given below in order to provide a basic understanding of some aspects of the invention. It should be understood that this summary is not an exhaustive overview of the invention. It is not intended to identify key or critical parts of the invention nor to delineate the scope of the invention. I...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D175/04C09D7/12
CPCC09D175/04C09D7/61C09D7/65C08L33/04C08K2003/265C08K3/34
Inventor 王菲王加国
Owner JIANGSU HAIAN PETROCHEM PLANT
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